#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netinet/tcp.h>
#include <netdb.h>
#include <fcntl.h>
#define PORT 3490 
#define MAXDATASIZE 100  
int main(int argc, char *argv[]) 
{ 
	int sockfd, numbytes; 
	char buf[MAXDATASIZE]; 
	struct hostent *he; 
	struct sockaddr_in their_addr; /* connector's address information */ 

	if (argc != 2) 
	{ 
		fprintf(stderr,"usage: socket_c serverip\n"); 
		exit(1); 
	} 
	
	if ((he=gethostbyname(argv[1])) == NULL) 
	{/* get the host info */ 
		herror("gethostbyname"); 
		exit(1); 
	}
	
	if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) 
	{ 
		perror("socket"); 
		exit(1); 
	}
	
	their_addr.sin_family = AF_INET; /* host byte order */ 
	their_addr.sin_port = htons(PORT); /* short, network byte order */ 
	their_addr.sin_addr = *((struct in_addr *)he->h_addr); 
	bzero(&(their_addr.sin_zero),sizeof(their_addr.sin_zero)); /* zero the rest of the struct */ 
	
	if (connect(sockfd, (struct sockaddr *)&their_addr,sizeof(struct sockaddr)) == -1) 
	{ 
		perror("connect"); 
		exit(1); 
	} 
	
	if ((numbytes=recv(sockfd, buf, MAXDATASIZE, 0)) == -1) 
	{ 
		perror("recv"); 
		exit(1); 
	} 
	
	buf[numbytes] = '\0'; 
	printf("Received: %s",buf); 
	close(sockfd); 
	return 0; 
} 

